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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

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Accession:CHEBI:88820 term browser browse the term
Definition:An acyclic olefin that has formula C8H16.
Synonyms:related_synonym: Formula=C8H16;   InChI=1S/C8H16/c1-3-5-7-8-6-4-2/h3,5H,4,6-8H2,1-2H3;   InChIKey=ILPBINAXDRFYPL-UHFFFAOYSA-N;   SMILES=C(=CCCCCC)C;   oct-2-ene
 xref: HMDB:HMDB0061904;   PMID:12590527;   PMID:12781175;   PMID:12889886;   PMID:17314143;   PMID:18612520;   PMID:21705169;   PMID:24421258;   PMID:6842514

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 227
    chemical entity 227
      atom 227
        nonmetal atom 220
          carbon atom 207
            organic molecular entity 207
              olefinic compound 42
                olefin 4
                  acyclic olefin 4
                    (E)-2-Octene 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 227
    subatomic particle 227
      composite particle 227
        hadron 227
          baryon 227
            nucleon 227
              atomic nucleus 227
                atom 227
                  main group element atom 220
                    main group molecular entity 220
                      s-block molecular entity 174
                        hydrogen molecular entity 172
                          hydrides 114
                            organic hydride 60
                              organic fundamental parent 60
                                hydrocarbon 37
                                  olefin 4
                                    acyclic olefin 4
                                      (E)-2-Octene 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.